That`s it! I had an older version (4.0.17) of the installer. So I installed the new version, the libraries package and so on and now the scenery works.

THANK YOU SO MUCH! Maybe, see you in Lelystad, Nov. 5?

Many greetings
Achim (Rory01)

Yes, I do so. May I uninstall them to install the nl2k_v4.01 libraries first? I think, I had read something about this in this forum.

Have a nice weekend!

Hi wolf32 and thank`s so much for your reply.

System: WIN 7 (64) an the UAC is deactivated. That doesn`t alter the fact that i cannot install the additional packages...

Exactly the same problem? After installing FL, FR, GR, NH without problems I want to install 3D, EHGG, EHWL and tree upgrade packages. I received the following error-message (in german...sorry...): "System.NullReferenceException: Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt. ...